Nilfisk-Advance 56380640, Original Instructions For Use

A-20 / ENGLISH

A-20

 - FORM NO. 56091001 - BR 1100S SBG SPECIAL

GENERAL MACHINE TROUBLESHOOTING

Problem

Possible Cause

Remedy

Poor water pick-up

Worn or torn squeegee blades

Reverse or replace

Squeegee out of adjustment

Adjust so blades touch 

fl

 oor evenly

across entire width

Recovery tank full

Empty recovery tank

Recovery tank drain hose leak

Secure drain hose cap or replace

Recovery tank cover gasket leak

Replace gasket / Seat cover properly

Debris caught in squeegee

Clean squeegee tool

Vacuum hose clogged

Remove debris

Using too much solution

Reduce 

fl

 ow via control panel solution button

Foam 

fi

 lter cover not seated

Seat cover properly

Poor scrubbing performance

Worn brush or pad

Rotate or replace brushes

Wrong brush or pad type

Consult Nil

fi

 sk

Wrong cleaning chemical

Consult Nil

fi

 sk

Moving machine too fast

Slow down

Not using enough solution

Increase 

fl

 ow via control panel solution button

Scrub Motors Do Not Run

Tripped 20 Amp (F3) circuit breaker

Check for electrical short circuit & reset

Inadequate solution 

fl

 ow

or no solution

Solution tank empty

Fill solution tank

Solution lines, valves, 

fi

 lter or trough clogged

Flush lines, trough and clean solution 

fi

 lter

Solution turned OFF

Activate 

fl

 ow via control panel solution button

Solution solenoid valve plugged  or defective

Clean or replace valve 

(see service manual)

Machine does not run

Emergency stop switch tripped

Reconnect battery connectors

Operator seat safety switch

Check for open circuit and replace

Main system controller

Check error fault codes

(see service manual)

Tripped 3 Amp (F1) circuit breaker

Check for electrical short circuit & reset

No FWD/REV wheel drive

Drive system speed contoller

Check error fault codes

(see service manual)

Emergency stop switch tripped

Reconnect battery connectors

Vacuum shuts off and display shows
“FULL” when recovery tank is not full

Plugged squeegee hose

Clear debris

Vacuuming large amounts of water
at a high travel speed

Slow down or disable auto shut-off feature

(see service manual)

Poor Sweeping Performance
(Cylindrical System)

Hopper Full

Empty and clean hopper

Brushes worn

Replace brushes

Bristles have taken a set

Rotate brushes

No Detergent Flow (EcoFlex models 
only)

Empty detergent cartridge

Fill detergent cartridge

Plugged or kinked detergent 

fl

 ow line

Purge system, straighten lines to
remove any kinks

Dry seal cap on detergent cartridge not sealed

Reseat dry seal cap

Detergent pump wiring
disconnected or backwards

Connect or reconnect wiring